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August 21, 2014

August 21, 2014

Posted by **Justin** on Tuesday, March 9, 2010 at 10:30pm.

- Physics -
**drwls**, Tuesday, March 9, 2010 at 11:25pmPotential energy at max height = (initial kinetic energy)

m g h = (1/2) m V^2

Cancel the m's and solve for V

- Physics -
**Justin**, Tuesday, March 9, 2010 at 11:32pmok thanks that is what i thought it might be but i just wanted to make sure. I also have another problem that i am hoping that you could help me with. A car requires 30 horsepower to move at a constant 20m/s what is the amount of friction that is needed to overcome?

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